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393 Phosphorus Fate In Long-Term Fertilized/Manured Soils



S11 Soils & Environmental Quality
Wednesday, October 19, 2011: 1:00 PM-3:50 PM
Henry Gonzalez Convention Center, Room 212A
Organizers:
Tiequan Zhang and Chin Tan
Presiders:
Chin Tan and Tiequan Zhang
1:00 PM
Introductory Remarks
1:05 PM
393-1
Long-Term (≥45 yrs) Cumulative Effects of Fertilization and Cropping Systems On Soil Phosphorus Forms and Losses In Field Water Discharge.
Tiequan Zhang, Agriculture and Agri-Food Canada; C.S. Tan, Agriculture and Agri-Food Canada; Q.C. Hu, Agriculture and Agri-Food Canada; C.F. Drury, Agriculture and Agri-Food Canada; Z.M. Zheng, Agriculture and Agri-Food Canada
1:20 PM
393-2
Phosphorus Loss Through Subsurface Tile Drainage During Eleven Years of Manure or Fertilizer Application for Corn and Soybean.
Mazhar U. Haq, Iowa State University; Antonio P. Mallarino, Iowa State University; Rameshwar S. Kanwar, Iowa State University; Pederson H. Carl, Iowa State University; Pecinovsky T. Kenneth, Iowa State University; Matthew J. Helmers, Iowa State University
Recorded Presentation Audio File
1:35 PM
393-3
Cumulative Phosphorus Losses and Their Pathways with Free Drainage and Controlled Drainage with Sub-Irrigation Systems.
Chin Tan, Agriculture & Agri-Food Canada; Tiequan Zhang, Agriculture and Agri-Food Canada
Recorded Presentation Audio File
1:50 PM
393-4
Changes In Soil Test P Following Seven Consecutive Applications of High Rates of Phosphate Fertilizer.
Olalekan O. Akinremi, University of Manitoba
Recorded Presentation Audio File
2:05 PM
393-5
Phosphorus Leaching Through Intact Soil Columns From Fertilized and Manure Amended Plots with and without Incorporation.
Darshani Kumaragamage, University of Winnipeg; Peter Tan, University of Winnipeg; Olalekan Akinremi, University of Manitoba; Donald Flaten, University of Manitoba
Recorded Presentation Audio File
2:20 PM
Break
2:35 PM
393-6
Tillage and Cover Crop Effect On Soil Phosphorus Dynamics After Manure Application.
James Hoorman, The Ohio State University; Khandakar Islam, The Ohio State University; Yogendra Raut, The Ohio State University; Randall C. Reeder, The Ohio State University; Norman Fausey, USDA-ARS Soil Drainage
2:50 PM
393-7
Surplus Phosphorus and Manure In Major Animal Production Regions of Maryland, Pennsylvania, and Virginia: Comparison of Methods and Implications.
Ronald Korcak, Water Stewardship, Inc; Thomas Simpson, Water Stewardship, Inc; Caitlin Kovzlove, US EPA
Recorded Presentation Audio File
3:05 PM
393-8
Spatial and Temporal Variability of Leached Nitrate From Field Core Lysimeters and Hummocky Prairie Landscape.
Olalekan O. Akinremi, University of Manitoba; Rezvan Dehkordi, University of Manitoba; Lekan Solomon Olatuyi, University of Manitoba; Francis Zvomuya, University of Manitoba; Donald Flaten, University of Manitoba; David Lobb, University of Manitoba
Recorded Presentation Audio File
3:20 PM
393-9
Phosphorus Release From Ditch Mesocosms: The Effects of Pedology and Hydrology.
David E. Ruppert, Texas A&M - Kingsville; Brian A. Needelman, University of Maryland; Bahram Momen, University of Maryland; Martin Rabenhorst, University of Maryland; Bruce James, University of Maryland; Peter Kleinman, USDA-ARS
Recorded Presentation Audio File
3:35 PM
393-10
Spatial Distribution and Chemical Speciation of Soil P in Band.
Gourango Kar, University of Saskatchewan; Derek Peak, University of Saskatchewan; Jeffrey Schoenau, University of Saskatchewan
Recorded Presentation Audio File
3:50 PM
Adjourn
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